एपीए उद्धरण

Thorpe, E., & Thorpe, S. (2009). Pearson general studies manual 2010: For the UPSC Civil Services preliminary examination. Pearson.

शिकागो स्टाइल उद्धरण

Thorpe, Edgar, और Showick Thorpe. Pearson General Studies Manual 2010: For the UPSC Civil Services Preliminary Examination. Chandigarh: Pearson, 2009.

एमएलए उद्धरण

Thorpe, Edgar, और Showick Thorpe. Pearson General Studies Manual 2010: For the UPSC Civil Services Preliminary Examination. Pearson, 2009.